Key to males of the species of Bactrianoscythris gen. nov.

1. Uncus Y-shaped ........................................................................................................................................................... 2

- Uncus cordiform, reduced............................................................................................................................................. 3

2. Uncus well-developed, as long as the gnathos; valvae rectilinear, thick, a subapical sharp projection on inner side ... ...................................................................................................................................................................... B. ginevrae

- Uncus reduced; valvae spatulate, apices enlarged ...................................................................................... B. pamirica

3. Valvae smooth, almost as long as the complex uncus-gnathos-tegumen; caecum penis well-developed ................... 4

- Valvae with expansions on inner side, longer than the uncus-gnathos-tegumen complex; caecum penis small.......... 5

4. Apices of valvae rounded and slightly enlarged .............................................................................................. B. annae

- Apices of valvae sharp and abruptly curved inwardly............................................................................. B. drepanella

5. Valvae at base with inner expansion bearing tuft of short setae ................................................................... B. afghana

- Valvae without expansions at base............................................................................................................................... 6

6. Valvae with inner short fingerlike expansion at two-thirds and rounded apices ......................................... B. khinjani

- Valvae with inner rounded protuberance at one-third and apices with a largely semicircular expansion...................... ..................................................................................................................................................................... B. satyrella